Anastrepha curvicauda

Common name  

papaya fruit fly

Description

Body. Large, body length 13-15 mm.

Head. Cephalic lobes slightly developed. Stomal organ: primary lobe large, elongate-rounded; 2 unbranched peg sensilla; other peg-sensilla-like structures absent. Number of oral ridges ranges 13-16; margins entire. 

Spinules and creeping welts. Dorsal spinules on segments T1-T3.

Anterior spiracles. Anterior spiracle large, fanshaped, constricted in middle. Number of anterior spiracular tubules 22-28; tubules in a single uniform row, or in a single irregular row, or in two rows (usually with some tubules in a partial secondary row)

Caudal segment (A8) and anal lobes. Sensilla on caudal segment with an unusual arrangement. Intermediate caudal sensillum I2 absent or visible only with great difficulty. Intermediate caudal sensilla I1a&b and I2 on separate papillae or tubercles. Ventral caudal sensilla absent or visible only with great difficulty. Anal lobes not protuberant.

Posterior spiracles. Slits 4–5x longer than wide. Dorsal spiracular processes short; either with numerous trunks arising from a short or semicircular base, or with fewer trunks radiating from a short or semicircular base. Number of dorsal spiracular processes 5. Number of ventral spiracular processes 5. Number of lateral spiracular processes 3–4.

Host plants

Family	Genus
Anacardiaceae	Mangifera
Apocynaceae	Gonolobus, Morrenia
Caricaceae	* Carica, Jacaratia

* Only papaya (Carica papaya) is likely to be encountered as a host of A. curvicauda.

Part of plant attacked: seed and fruit.

Biogeographic region and distribution

Nearctic,  Neotropical

USA (s. Texas) south to Colombia and Venezuela, West Indies, Bahamas; introduced USA (Florida).

Adult taxonomy

Anastrepha curvicauda (Gerstaecker)

Toxotrypana curvicauda Gerstaecker 1860: 194.—Virgin Is. Insula St. Jean [St. John]. T ♀️ ZMHU.
Mikimyia furcifera Bigot 1884: xxix.—Brazil [probably erroneous]. HT ♂️ UMO.
Toxotrypana fairbatesi Munro 1984: 160.—Cuba. Soledad, Sta. Clara. HT ♂️ SANC.
Toxotrypana curvicaude Munro 1984: 160.—missp. curvicauda Gerstaecker.

References

Carroll, L. E., A. L. Norrbom, M. J. Dallwitz, and F. C. Thompson. 2004 onwards. Pest fruit flies of the world – larvae. Version: 8th December 2006. http://delta-intkey.com.

Norrbom, A. L., N. B. Barr, P. Kerr, X. Mengual, N. Nolazco, E. J. Rodriguez, G. J. Steck, B. D. Sutton, K. Uramoto, and R. A. Zucchi. 2018. Synonymy of Toxotrypana Gerstaecker with Anastrepha Schiner (Diptera: Tephritidae). Proceedings of the Entomological Society of Washington 120: 834-841.

USDA Compendium of fruit fly host information (CoFFHI), edition 5.0. USDA CPHST Online Database. Available: https://coffhi.cphst.org/

White, I. M., and M. M. Elson-Harris. 1992. Fruit flies of economic significance: their identification and bionomics. CAB International; Wallingford, UK. 601 p.